83 	int rc;  in fsi_spi_check_mux()  local
87 	rc = fsi_slave_read(fsi->slave, FSI_MBOX_ROOT_CTRL_8, &root_ctrl_8_be,  in fsi_spi_check_mux()
89 	if (rc)  in fsi_spi_check_mux()
90 		return rc;  in fsi_spi_check_mux()
103 	int rc;  in fsi_spi_check_status()  local
107 	rc = fsi_device_read(ctx->fsi, FSI2SPI_STATUS, &sts_be,  in fsi_spi_check_status()
109 	if (rc)  in fsi_spi_check_status()
110 		return rc;  in fsi_spi_check_status()
123 	int rc;  in fsi_spi_read_reg()  local
134 	rc = fsi_device_write(ctx->fsi, FSI2SPI_CMD, &cmd_be, sizeof(cmd_be));  in fsi_spi_read_reg()
135 	if (rc)  in fsi_spi_read_reg()
136 		return rc;  in fsi_spi_read_reg()
138 	rc = fsi_spi_check_status(ctx);  in fsi_spi_read_reg()
139 	if (rc)  in fsi_spi_read_reg()
140 		return rc;  in fsi_spi_read_reg()
142 	rc = fsi_device_read(ctx->fsi, FSI2SPI_DATA0, &data_be,  in fsi_spi_read_reg()
144 	if (rc)  in fsi_spi_read_reg()
145 		return rc;  in fsi_spi_read_reg()
149 	rc = fsi_device_read(ctx->fsi, FSI2SPI_DATA1, &data_be,  in fsi_spi_read_reg()
151 	if (rc)  in fsi_spi_read_reg()
152 		return rc;  in fsi_spi_read_reg()
162 	int rc;  in fsi_spi_write_reg()  local
173 	rc = fsi_device_write(ctx->fsi, FSI2SPI_DATA0, &data_be,  in fsi_spi_write_reg()
175 	if (rc)  in fsi_spi_write_reg()
176 		return rc;  in fsi_spi_write_reg()
179 	rc = fsi_device_write(ctx->fsi, FSI2SPI_DATA1, &data_be,  in fsi_spi_write_reg()
181 	if (rc)  in fsi_spi_write_reg()
182 		return rc;  in fsi_spi_write_reg()
185 	rc = fsi_device_write(ctx->fsi, FSI2SPI_CMD, &cmd_be, sizeof(cmd_be));  in fsi_spi_write_reg()
186 	if (rc)  in fsi_spi_write_reg()
187 		return rc;  in fsi_spi_write_reg()
220 	int rc;  in fsi_spi_reset()  local
224 	rc = fsi_spi_write_reg(ctx, SPI_FSI_CLOCK_CFG,  in fsi_spi_reset()
226 	if (rc)  in fsi_spi_reset()
227 		return rc;  in fsi_spi_reset()
229 	rc = fsi_spi_write_reg(ctx, SPI_FSI_CLOCK_CFG,  in fsi_spi_reset()
231 	if (rc)  in fsi_spi_reset()
232 		return rc;  in fsi_spi_reset()
258 	int rc = 0;  in fsi_spi_transfer_data()  local
271 			rc = fsi_spi_write_reg(ctx, SPI_FSI_DATA_TX, out);  in fsi_spi_transfer_data()
272 			if (rc)  in fsi_spi_transfer_data()
273 				return rc;  in fsi_spi_transfer_data()
276 				rc = fsi_spi_read_reg(ctx, SPI_FSI_STATUS,  in fsi_spi_transfer_data()
278 				if (rc)  in fsi_spi_transfer_data()
279 					return rc;  in fsi_spi_transfer_data()
282 					rc = fsi_spi_reset(ctx);  in fsi_spi_transfer_data()
283 					if (rc)  in fsi_spi_transfer_data()
284 						return rc;  in fsi_spi_transfer_data()
299 				rc = fsi_spi_read_reg(ctx, SPI_FSI_STATUS,  in fsi_spi_transfer_data()
301 				if (rc)  in fsi_spi_transfer_data()
302 					return rc;  in fsi_spi_transfer_data()
305 					rc = fsi_spi_reset(ctx);  in fsi_spi_transfer_data()
306 					if (rc)  in fsi_spi_transfer_data()
307 						return rc;  in fsi_spi_transfer_data()
313 			rc = fsi_spi_read_reg(ctx, SPI_FSI_DATA_RX, &in);  in fsi_spi_transfer_data()
314 			if (rc)  in fsi_spi_transfer_data()
315 				return rc;  in fsi_spi_transfer_data()
327 	int rc;  in fsi_spi_transfer_init()  local
342 		rc = fsi_spi_read_reg(ctx, SPI_FSI_STATUS, &status);  in fsi_spi_transfer_init()
343 		if (rc)  in fsi_spi_transfer_init()
344 			return rc;  in fsi_spi_transfer_init()
354 			rc = fsi_spi_reset(ctx);  in fsi_spi_transfer_init()
355 			if (rc)  in fsi_spi_transfer_init()
356 				return rc;  in fsi_spi_transfer_init()
363 	rc = fsi_spi_write_reg(ctx, SPI_FSI_COUNTER_CFG, 0ULL);  in fsi_spi_transfer_init()
364 	if (rc)  in fsi_spi_transfer_init()
365 		return rc;  in fsi_spi_transfer_init()
367 	rc = fsi_spi_read_reg(ctx, SPI_FSI_CLOCK_CFG, &clock_cfg);  in fsi_spi_transfer_init()
368 	if (rc)  in fsi_spi_transfer_init()
369 		return rc;  in fsi_spi_transfer_init()
376 		rc = fsi_spi_write_reg(ctx, SPI_FSI_CLOCK_CFG,  in fsi_spi_transfer_init()
379 	return rc;  in fsi_spi_transfer_init()
385 	int rc;  in fsi_spi_transfer_one_message()  local
391 	rc = fsi_spi_check_mux(ctx->fsi, ctx->dev);  in fsi_spi_transfer_one_message()
392 	if (rc)  in fsi_spi_transfer_one_message()
401 			rc = -EINVAL;  in fsi_spi_transfer_one_message()
407 		rc = fsi_spi_transfer_init(ctx);  in fsi_spi_transfer_one_message()
408 		if (rc < 0)  in fsi_spi_transfer_one_message()
431 					rc = -EINVAL;  in fsi_spi_transfer_one_message()
447 		rc = fsi_spi_write_reg(ctx, SPI_FSI_SEQUENCE, seq.data);  in fsi_spi_transfer_one_message()
448 		if (rc)  in fsi_spi_transfer_one_message()
451 		rc = fsi_spi_transfer_data(ctx, transfer);  in fsi_spi_transfer_one_message()
452 		if (rc)  in fsi_spi_transfer_one_message()
456 			rc = fsi_spi_transfer_data(ctx, next);  in fsi_spi_transfer_one_message()
457 			if (rc)  in fsi_spi_transfer_one_message()
465 	mesg->status = rc;  in fsi_spi_transfer_one_message()
468 	return rc;  in fsi_spi_transfer_one_message()
478 	int rc;  in fsi_spi_probe()  local
483 	rc = fsi_spi_check_mux(fsi, dev);  in fsi_spi_probe()
484 	if (rc)  in fsi_spi_probe()
512 		rc = devm_spi_register_controller(dev, ctlr);  in fsi_spi_probe()
513 		if (rc)  in fsi_spi_probe()